Shelf



FIG. 1 is an isometric view of the shelf of the present invention as a whole; and,

FIG. 2 is a top view of the shelf of the present invention in plan.

The shelf has a circle shape with a curved cut-out, and a cylindrical pull which starts at one end of the curved cut-out and finishes at the other. 

The ornamental design for a shelf, as shown and described. 